# Polar (https://talivia.com/docs/revenue-guides/polar)



Checkout API

Create a checkout on your backend and attach the Talivia session directly.

Checkout Links

Use a no-code Polar link and match the payment when the buyer returns.

Embedded Checkout

Open Polar inside your site while keeping the same return-based attribution.

Subscriptions and renewals

Keep the original customer identity across recurring orders and lifecycle changes.

Other methods

Attribute custom integrations through a stable Polar customer identity.

Test and troubleshoot Polar

Check token permissions, sandbox checkout, attribution, subscriptions, and refunds.